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HVAC: EPA 608 Certification Study Guide | Questions and Correct Solutions Latest Update 2024/2025 | Graded A+
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HVAC: EPA 608 Certification Study Guide | Questions and Correct Solutions Latest Update 2024/2025 | Graded A+ Are there drop-in replacements for R-12 systems? Why or why not? - Answer -No because the new refrigerants are incompatible with the oils and lubricants used in R-12 systems. What ty...
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